Vibro Acoustics SCSR-2A-2400, 2"h (50mm) Deflection SCSR Seismic Restrained Spring Isolators (for Concrete), 2400 lbs rated load, Black-Grey (Concrete), 2 inch deflection at rated load, 46.6 lbs isolator weight. Laterally and vertically restrained spring type isolators with housings and heavy top plates for equipment support Welded steel construction housings with vertically restraining limit stops Top plate and restraining bolts are designed to be out of contact with housing during normal operation Reinforced neoprene elements (snubbers) are incorporated to minimize short-circuiting of restraining bolts Minimum 50 additional travel to solid Minimum kx/ky ratio of 0.8 Housing is powder-coated; hot-dipped. Galvanizing is optional All components are painted, plated, or coated for outdoors If less than 80 of the top plate is covered by the supported equipment, use an additional plate (same thickness as the isolator's equipment support plate) on top of the isolator All springs powder-coated For higher capacities, contact Vibro-Acoustics factory